Model Number: GSL-DDU SERIES 100-250kw-11556 Brand Name: KSTAR Key Specifications/Special Features: More than 25 years of lifespanSystem with strong compatibility, easy to extend good cooling system and safety design MPPT efficiency: >99.9%Maximum efficiency: >98.7%Euro. efficiency: >98.2%Standby (night time) losses: <10WRedundancy control circuits designed-in and over-size metalized film capacitors are used to guarantee its safe operation and system reliabilityUnique LVRT (low voltage ride through) function, anti-islanding and output abnormal voltage protection secures its safeAdvanced DSP Control makes data more accurateActive power adjustable continuous full range (0-100%)Supports a variety of communication interfacesPerfect protection functionsSupports SVG function, the realization of power reactive compensation at night